Tech Preparation Zone

Topics



Java Interview QA
List-1 - Basic Java List-2 - OOPs List-3 - MultiThreading List-3 - Exception Handling
S.O.L.I.D
Single Responsibility Principle (SRP) Open Closed principle (OCP) Liskov Substitution Principle (LSP) Interface Segregation Principle (ISP) Dependency Inversion Principle (DIP)
Design Pattern
Introduction to Design Patterns Creational Design Pattern Test Design Pattern
Low Level Design
Design Parking-Lot Design Elevator Design Library Management System Design Amazon Locker Design a Vending Machine Design Meeting Scheduler Design Movie Ticket Booking Design Cab Booking like Uber, Ola Design ATM/a> Design Restaurant Management System Design StackOverflow/a> Design Cache system Implement Logger systemm Design CricInfo/Cricbuzz Design Online Hotel Booking System
System Design Theory
Building Blocks of System Design Scalability Scale Zero To Million Effective Estimation Performance vs Scalability CAP Theory Domain Name System (DNS) Content Delivery Network (CDN) Load Balancer Proxy vs Reverse Proxy Protocols: TCP/UDP/HTTP'S/SSL/TLS Database Different Types Of Databases Cache Message Queues RabbitMQ Reference Sites
System Design Examples
Sequence Generator Design a URL Shortener Design a Rate Limiter Design a Cache (e.g. Redis) Design a Notification System Design a Distributed Search System Design a Distributed Logging System Design a Messaging System (e.g., WhatsApp) Design a Search Autocomplete System Design Facebook Design Twitter Design Youtube Design QUORA Design Google Map Design Uber Design Instagram Design a Collaborative Document Editing Service / Google Docs Design an e-commerce platform (like Amazon)
Microservices
Monolithic vs Microservices Build Microservice using Spring Boot Right-Sizing & Defining Service Boundaries Key Annotations for Spring Boot Microservices Benefits of Cloud-Native Microservices deployment portability scalability in microservice Features of Cloud-Native Applications 15 Factors Methodology Configurations Management in Microservices Liveness and Readiness in Actuator Service Discovery And Resgistration in Microservices
Spring Boot
Introduction to Spring Framework Introduction to Beans Spring Bean Scope Spring Bean Autowiring Aspect Oriented Programming (AOP) Stereotype Annotation Spring Boot Annotations Spring Boot Exception Handling Spring Boot Input Data Validation Spring Boot REST API Documentation
DevOps and CI/CD
CI/CD Flow Git Commands Docker Commands Docker Compose
General CS Concepts
OS layer Improve API Performance REST API authentication
Google Cloud Platform (GCP)
Topic 1: Compute-Engine-VM-Instances

Welcome to Your Backend Developer Interview Preparation Journey!


Preparing for a backend developer interview can be challenging, but it is also a valuable experience. In this field, it's important to demonstrate your technical skills, problem-solving abilities, and understanding of system design. Here’s how we can assist you:


We offer structured resources to help you build confidence and improve your skills as a backend developer. Together, we can make sure you are ready for your interviews.


We have gathered information for our articles by reading various online resources, academic papers, and watching YouTube channels. While we strive to provide accurate and useful content, we recognize that some images and code examples may have been directly referenced or copied. Our goal is to provide clear and focused information without any distractions.